Home / 209,559.30-314,335.86-51,787.74

Finding the Fourth Proportional to 209,559.30, 314,335.86 and 51,787.74

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Solution

The fourth proportional to 209,559.30, 314,335.86 and 51,787.74 is: 77,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,559.30 : 314,335.86 = 51,787.74 : x
  2. Step 2: Convert to fraction form
    209,559.30/314,335.86 = 51,787.74/x
  3. Step 3: Cross multiply
    209,559.30x = 314,335.86 × 51,787.74
  4. Step 4: Simplify right side
    209,559.30x = 16,278,743,790.36
  5. Step 5: Solve for x
    x = 16,278,743,790.36/209,559.30
  6. Step 6: Final answer
    x = 77,680.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.